Home / 3,894.11-5,367.47-2,760.16

Finding the Fourth Proportional to 3,894.11, 5,367.47 and 2,760.16

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Solution

The fourth proportional to 3,894.11, 5,367.47 and 2,760.16 is: 3,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.11 : 5,367.47 = 2,760.16 : x
  2. Step 2: Convert to fraction form
    3,894.11/5,367.47 = 2,760.16/x
  3. Step 3: Cross multiply
    3,894.11x = 5,367.47 × 2,760.16
  4. Step 4: Simplify right side
    3,894.11x = 14,815,076.00
  5. Step 5: Solve for x
    x = 14,815,076.00/3,894.11
  6. Step 6: Final answer
    x = 3,804.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.